Pump head refers to the impeller, bearing, oil ring and sealed rotating parts.
Pump head is mainly used to transport water, oil, acid and alkali, emulsion, suspension emulsion and liquid metal and other liquid, can also transport liquid, gas mixture and liquid containing suspended solids.
Teencher Inspection team consists of professional inspection and international trade experts, each member with extensive inspection experience and very strong sense of service. our inspection can help you to reduce logistics costs, return risk, complaints, compensation and potential brand reputation due to quality problems.
1.Inspection Environment and Requirement
-Requirement for place of inspection:Light from a power of at least 500 Lux.
-Perspective:The products must be tested by every angle.
-Distance of viewing:In doubts, check the products from a distance of 30 cm. If it is not visible, it is no defect. View the items by various angles.2.Visual NonConformities Standard
Visual nonconformities as stated below are typical defects during production and must be handled either by means of suitable measuring or comparison practices. A practical method is to compare defects either against the specification guide or against provided samples.
-Not permitted any sharp point/sharp edge.
-Not permitted infestation of live insect.
-Not permitted blood mark.
-Not permitted burr,crack,chipped,hole etc.
-Not permitted grease,dirt, Impurity,fingerprints etc.
-Not permitted small brifht/white dots,dent mark,scratch mark.
-Not permitted assembly or fitting defect.
3.Field Test & Measurement
-Color shading check
-Function/Fitting check
-Smell check
-Product dimension check
-Product weight check
-Barcode readable check
-Leakage test
-Product performance test
-Quantity per carton check
-Carton dimension check
-Carton weight check
-Carton drop test